The Milky Way is a spiral galaxy containing 100-400 billion stars. Planet Earth sits along one of the galaxy’s spiral arms. Though the Milky Way is generally always visible from Earth, certain times ...
Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...
The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. Though the Milky Way is generally always visible from Earth, certain times of year are better for ...